| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [prep] [verb] | 6832 |
|
| 2 | prevent [pron] [prep] [verb] | 697 |
|
| 3 | [verb] prevent [pron] [prep] | 87 |
|
| 4 | [verb] prevent [pron] [verb] | 70 |
|
